Why Would a Researcher Most Likely Use a "Blind" Experimenter

question 7

Multiple Choice

Why would a researcher most likely use a "blind" experimenter?

• A) To decrease experimental bias
• B) To increase demand characteristics
• C) To eliminate the need for two control groups
• D) To test extrasensory perception

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Definitions:

Internal Consistency

A measure of the reliability of a test or scale, assessing whether items that propose to measure the same general construct produce similar scores.

Licensure Exam

A formal assessment that certifies individuals as qualified to engage in a profession or vocational activity, ensuring they meet the required standards.

Mean

In statistics, the mean is a measure of central tendency, calculated by summing all values in a dataset and dividing by the number of values.

Range

The difference between the highest and lowest values in a set of numbers, indicating the spread or dispersion.